〜度(ど)

〜度(ど) is a versatile suffix used for measurement (temperature, angles) and for expressing degree or level of something.

SENSE 1 — MEASUREMENT:
Attaches to numbers for temperature, angles, and coordinates.

• 30度(ど): 30 degrees
• 温度(おんど): temperature
• 角度(かくど): angle
• 経度(けいど): longitude
• 緯度(いど): latitude

SENSE 2 — DEGREE/LEVEL:
Attaches to nouns to create "level of ~" compounds.

• 満足度(まんぞくど): satisfaction level
• 難易度(なんいど): difficulty level
• 完成度(かんせいど): degree of completion
• 認知度(にんちど): recognition level
• 注目度(ちゅうもくど): degree of attention

Usage

Do not confuse with 〜度(たび) (read たび), which means "time" or "occasion" (毎度(まいど), この度(たび)).